A. Ideal
B. Saturated
C. Supersaturated
D. Azeotropic
CHEMICAL ENGINEERING
In osmosis through a semi-permeable membrane, diffusion of the___________________?
A. Solvent is from low concentration to high concentration region
B. Solvent is from high concentration to low concentration region
C. Solute takes place
D. None of these
Cp is expressed in S.I. unit as_______________?
A. J/kg.°K
B. 0°K
C. W/m2.°C
D. W/m.°K
Increasing the temperature of an aqueous solution will cause decrease in its________________?
A. Molality
B. Mole fraction
C. Weight percent
D. Molarity
A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is__________________?
A. 13728 J
B. 19206 J
C. 4576 J
D. 12712 J
Gases diffuse faster compared to liquids because of the reason that the liquid molecules_________________?
A. Are held together by stronger inter-molecular forces
B. Move faster
C. Have no definite shape
D. Are heavier
If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will_________________?
A. Be reduced to 1/4th
B. Increase four times
C. Increase two times
D. None of these
Heat of reaction is not influenced by__________________?
A. The route/method through which final products are obtained
B. The physical state (e.g., solid, liquid or gaseous) of reactants and products
C. Whether the reaction is carried out at constant temperature or constant pressure
D. None of these
A ‘limiting reactant’ is the one, which decides the ____________ in the chemical reaction?
A. Equilibrium constant
B. Conversion
C. Rate constant
D. None of these